An airline company is interested in improving customer satisfaction rate from the 68% currently claimed. The company sponsored a survey of 129 customers and found that 97 customers were satisfied. What is the test statistic �? What is the �-value? Does sufficient evidence exist that the customer satisfaction rate is higher than the claim by the company at a significance level of �=0.05?
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An airline company is interested in improving customer satisfaction rate from the 68% currently claimed. The company sponsored a survey of 129 customers and found that 97 customers were satisfied. What is the test statistic �? What is the �-value? Does sufficient evidence exist that the customer satisfaction rate is higher than the claim by the company at a significance level of �=0.05?
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- An airline company is interested in improving customer satisfaction rate from the 77% currently claimed. The company sponsored a survey of 236 customers and found that 189 customers were satisfied. What is the test statistic z? What is the p-value? Does sufficient evidence exist that the customer satisfaction rate is higher than the claim by the company at a significance level of α=0.05?A home improvement company is interested in improving customer satisfaction rate from the 55% currently claimed. The company sponsored a survey of 240 customers and found that 147 customers were satisfied. What is the test statistic z? What is the p-value? Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of a=0.05?A home improvement company is interested in improving customer satisfaction rate from the 79% currently claimed. The company sponsored a survey of 112 customers and found that 94 customers were satisfied. What is the test statistic z? What is the p-value? Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of α=0.01? Yes/No
- An airline company is interested in improving customer satisfaction rate from the 66% currently claimed. The company sponsored a survey of 262 customers and found that 184 customers were satisfied. What is the test statistic z? What is the p-value? Does sufficient evidence exist that the customer satisfaction rate is higher than the claim by the company at a significance level of α=0.01 (Y/N)An airline company is interested in improving customer satisfaction rate from the 57% currently claimed. The company sponsored a survey of 244 customers and found that 154 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is higher than the claim by the company. What is the test statistic z? What is the p-value? Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of �=0.1?A home improvement company is interested in improving customer satisfaction rate from the 78% currently claimed. The company sponsored a survey of 162 customers and found that 133 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is different than the claim by the company. What is the test statistic z? What is the p-value? Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of α=0.1?
- An airline company is interested in improving customer satisfaction rate from the 53% currently claimed. The company sponsored a survey of 244 customers and found that 140 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is higher than the claim by the company. What is the test statistic z? What is the p-value? Does sufficient evidence exist that the customer satisfaction rate is higher than the claim by the company at a significance level of α=0.1?An airline company is interested in improving customer satisfaction rate from the 72% currently claimed. The company sponsored a survey of 147 customers and found that 114 customers were satisfied. What is the test statistic z? What is the p-value? Does sufficient evidence exist that the customer satisfaction rate is higher than the claim by the company at a significance level of α=0.1? Yes/NoA home improvement company is interested in improving customer satisfaction rate from the 80% currently claimed. The company sponsored a survey of 101 customers and found that 87 customers were satisfied. What is the test statistic z? What is the p-value? Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of a=0.05? (yes or no)
- In a study of the accuracy of fast food drive-through orders, one restaurant had 38 orders that were not accurate among 327 orders observed. Use a 0.05 significance level to test the claim that the rate of inaccurate orders is equal to 10%. Does the accuracy rate appear to be acceptable?A home improvement company is interested in improving customer satisfaction rate from the 51% currently claimed. The company sponsored a survey of 136 customers and found that 76 customers were satisfied. What is the test statistic z? What is the p-value? Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of α=0.1? Select: _____ Yes OR _____ NoAn airline company is interested in improving customer satisfaction rate from the 52% currently claimed. The company sponsored a survey of 164 customers and found that 97 customers were satisfied. What is the test statistic z? What is the p-value? Does sufficient evidence exist that the customer satisfaction rate is higher than the claim by the company at a significance level of α=0.05? Select: _____ Yes OR _____ No